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rework a bit dtls

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This commit is contained in:
Jehan Monnier 2015-02-17 17:04:57 +01:00
parent db99a3b71c
commit e1291ba3ea
2 changed files with 36 additions and 38 deletions
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69
coreapi/linphonecall.c
View file

@ -2313,7 +2313,20 @@ static void configure_rtp_session_for_rtcp_xr(LinphoneCore *lc, LinphoneCall *ca
}
rtp_session_configure_rtcp_xr(session, &currentconfig);
}
void static start_dtls( MSMediaStreamSessions *sessions, const SalStreamDescription *sd,const SalStreamDescription *remote) {
if (sal_stream_description_has_dtls(sd) == TRUE) {
/*DTLS*/
SalDtlsRole salRole = sd->dtls_role;
if (salRole!=SalDtlsRoleInvalid) { /* if DTLS is available at both end points */
/* give the peer certificate fingerprint to dtls context */
ms_dtls_srtp_set_peer_fingerprint(sessions->dtls_context, remote->dtls_fingerprint);
ms_dtls_srtp_set_role(sessions->dtls_context, (salRole == SalDtlsRoleIsClient)?MSDtlsSrtpRoleIsClient:MSDtlsSrtpRoleIsServer); /* set the role to client */
ms_dtls_srtp_start(sessions->dtls_context); /* then start the engine, it will send the DTLS client Hello */
} else {
ms_warning("unable to start DTLS engine on stream session [%p], Dtls role in resulting media description is invalid",sessions);
}
}
}
static void linphone_call_start_audio_stream(LinphoneCall *call, bool_t muted, bool_t send_ringbacktone, bool_t use_arc){
LinphoneCore *lc=call->core;
LpConfig* conf;
@ -2436,25 +2449,9 @@ static void linphone_call_start_audio_stream(LinphoneCall *call, bool_t muted, b
if (send_ringbacktone){
setup_ring_player(lc,call);
}
if (sal_stream_description_has_dtls(stream) == TRUE) {
/* DTLS engine was already initialised during stream init. Before starting it we must be sure that the role(client or server) is set.
* Role may have already been set to server if we initiate the call and already received a packet from peer, in that case do nothing */
SalDtlsRole salRole = stream->dtls_role;
if (salRole!=SalDtlsRoleInvalid) { /* if DTLS is available at both end points */
/* give the peer certificate fingerprint to dtls context */
SalMediaDescription *remote_desc = sal_call_get_remote_media_description(call->op);
ms_dtls_srtp_set_peer_fingerprint(call->audiostream->ms.sessions.dtls_context, remote_desc->streams[0].dtls_fingerprint);
} else {
ms_warning("unable to start DTLS engine on audiostream, Dtls role in resulting media description is invalid\n");
}
if (salRole == SalDtlsRoleIsClient) { /* local endpoint is client */
ms_dtls_srtp_set_role(call->audiostream->ms.sessions.dtls_context, MSDtlsSrtpRoleIsClient); /* set the role to client */
ms_dtls_srtp_start(call->audiostream->ms.sessions.dtls_context); /* then start the engine, it will send the DTLS client Hello */
} else if (salRole == SalDtlsRoleIsServer) { /* local endpoint is server */
ms_dtls_srtp_set_role(call->audiostream->ms.sessions.dtls_context, MSDtlsSrtpRoleIsServer); /* this may complete the server setup */
/* no need to start engine, we are waiting for DTLS Client Hello */
}
{
SalMediaDescription *remote_desc = sal_call_get_remote_media_description(call->op);
start_dtls(&call->audiostream->ms.sessions,stream,&remote_desc->streams[0]);
}
if (call->params->in_conference){
@ -2582,24 +2579,11 @@ static void linphone_call_start_video_stream(LinphoneCall *call, bool_t all_inpu
used_pt, linphone_core_get_video_jittcomp(lc), cam);
}
}
if (sal_stream_description_has_dtls(vstream) == TRUE) {
/*DTLS*/
SalDtlsRole salRole = vstream->dtls_role;
if (salRole!=SalDtlsRoleInvalid) { /* if DTLS is available at both end points */
/* give the peer certificate fingerprint to dtls context */
SalMediaDescription *remote_desc = sal_call_get_remote_media_description(call->op);
ms_dtls_srtp_set_peer_fingerprint(call->videostream->ms.sessions.dtls_context, remote_desc->streams[1].dtls_fingerprint);
} else {
ms_warning("unable to start DTLS engine on videostream, Dtls role in resulting media description is invalid\n");
}
if (salRole == SalDtlsRoleIsClient) { /* local endpoint is client */
ms_dtls_srtp_set_role(call->videostream->ms.sessions.dtls_context, MSDtlsSrtpRoleIsClient); /* set the role to client */
ms_dtls_srtp_start(call->videostream->ms.sessions.dtls_context); /* then start the engine, it will send the DTLS client Hello */
} else if (salRole == SalDtlsRoleIsServer) { /* local endpoint is server */
ms_dtls_srtp_set_role(call->videostream->ms.sessions.dtls_context, MSDtlsSrtpRoleIsServer); /* this may complete the server setup */
/* no need to start engine, we are waiting for DTLS Client Hello */
}
{
SalMediaDescription *remote_desc = sal_call_get_remote_media_description(call->op);
start_dtls(&call->videostream->ms.sessions,vstream,&remote_desc->streams[1]);
}
}else ms_warning("No video stream accepted.");
}else{
ms_message("No valid video stream defined.");
@ -2710,6 +2694,10 @@ void linphone_call_update_crypto_parameters(LinphoneCall *call, SalMediaDescript
if (call->audiostream && local_st_desc && old_stream && new_stream &&
update_stream_crypto_params(call,local_st_desc,old_stream,new_stream,&call->audiostream->ms)){
}
if (call->audiostream) {
SalMediaDescription *remote_desc = sal_call_get_remote_media_description(call->op);
start_dtls(&call->audiostream->ms.sessions,&new_md->streams[0],&remote_desc->streams[0]);
}
#ifdef VIDEO_ENABLED
local_st_desc = sal_media_description_find_secure_stream_of_type(call->localdesc, SalVideo);
@ -2718,6 +2706,10 @@ void linphone_call_update_crypto_parameters(LinphoneCall *call, SalMediaDescript
if (call->videostream && local_st_desc && old_stream && new_stream &&
update_stream_crypto_params(call,local_st_desc,old_stream,new_stream,&call->videostream->ms)){
}
if (call->videostream) {
SalMediaDescription *remote_desc = sal_call_get_remote_media_description(call->op);
start_dtls(&call->videostream->ms.sessions,&new_md->streams[1],&remote_desc->streams[1]);
}
#endif
}
@ -3285,7 +3277,8 @@ static void handle_ice_events(LinphoneCall *call, OrtpEvent *ev){
switch (ice_session_state(call->ice_session)) {
case IS_Completed:
ice_session_select_candidates(call->ice_session);
if (ice_session_role(call->ice_session) == IR_Controlling) {
if (ice_session_role(call->ice_session) == IR_Controlling
&& lp_config_get_int(call->core->config, "sip", "update_call_when_ice_completed", TRUE)) {
linphone_core_update_call(call->core, call, params);
}
change_ice_media_destinations(call);

5
coreapi/sal.c
View file

@ -318,6 +318,11 @@ int sal_stream_description_equals(const SalStreamDescription *sd1, const SalStre
if (sd1->ptime != sd2->ptime) result |= SAL_MEDIA_DESCRIPTION_CODEC_CHANGED;
if (sd1->dir != sd2->dir) result |= SAL_MEDIA_DESCRIPTION_CODEC_CHANGED;
/*DTLS*/
if (sd1->dtls_role != sd2->dtls_role) result |= SAL_MEDIA_DESCRIPTION_CRYPTO_KEYS_CHANGED;
if (strcmp(sd1->dtls_fingerprint, sd2->dtls_fingerprint) != 0) result |= SAL_MEDIA_DESCRIPTION_CRYPTO_KEYS_CHANGED;
return result;
}